text: const router = require('express').Router();
  const path = require('path');
  
  
  router.get('/exercise', (req, res) => {
      res.sendFile(path.join(__dirname , '..', 'public', 'exercise.html'));
  
  });
  router.get('/stats', (req, res) => {
      res.sendFile(path.join(__dirname , '..', 'public', 'stats.html'));
  
  });
  
  module.exports = router